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15 Cards in this Set

  • Front
  • Back
Normal Acid-base balance is
Imbalances are classified as being ____________ or ____________.
respiratory or metabolic
Respiratory imbalances affect _________ _________ concentrations.
carbonic acid
Metabolic imbalances affet the base ____________.
Normal valuses for pH
Normal valuses for pCO2
35-45 mmHg
Normal valuses for HCO3
Normal valuses for pO2
80-100 mmHg
Normal valuses for O2 saturation is
common cause of Respiratory acidosis
*abnormalities in pulmonary ventilation leading to CO2 retention.
*Halted or hindered gas exchange
*Obstructions preventing exhalation of CO2
*Impaired neuromuscular function or integerity of chest wall
*Depressed Respiratory center in medullat
Etiology of Respiratory acidosis
ARDS, Pneumonia, Atelectasis, COPD, emphysema, asthma, bronchial burns, chest trauma, Guillain-Barre, MS, Mysathenia gravi, Drug overdoses, anesthesia, acute alcoholism.
Compensatory mechanisms that take place within 24 hours of Respiratory Acidosis
Kidneys conserve HCO3 and excrete more hydrogen ions into urine
Urine becomes more acidotic
Clinical manifestations or signs of respiratory acidosis
Drowsiness, unconsciousness, disorientation, rapid, shallow respirations, tachycardia, dizziness, decreased BP, headache, Tachycardia, seizures
How can we improve respiratory function?
antibiotics for infection, postural drainage, bronchodilators, inhalation therapy, breathing exercises, mechanical ventilation, oxygen therapy.
What is the 2nd intervention in correcting respiratory acidosis? and how do we correct that?
Correct Acidosis
through treating hyperkalemia if present and IV sodium bicarbonate